org.eclipse.incquery.runtime.api.scope

Class IncQueryScope

java.lang.Object

org.eclipse.incquery.runtime.internal.apiimpl.EngineContextFactory

org.eclipse.incquery.runtime.api.scope.IncQueryScope

Direct Known Subclasses:

EMFScope

public abstract class IncQueryScope
extends EngineContextFactory

Defines a scope for the IncQuery engine, which determines the set of model elements that query evaluation operates on.

Author:

Bergmann Gabor

Constructor Summary

Constructors

Constructor and Description
IncQueryScope()

Method Summary

Modifier and Type	Method and Description
boolean	isCompatibleWithQueryScope(java.lang.Class<? extends IncQueryScope> queryScopeClass) Determines whether a query engine initialized on this scope can evaluate queries formulated against the given scope type.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IncQueryScope

public IncQueryScope()

Method Detail

isCompatibleWithQueryScope

public boolean isCompatibleWithQueryScope(java.lang.Class<? extends IncQueryScope> queryScopeClass)

Determines whether a query engine initialized on this scope can evaluate queries formulated against the given scope type.

Every query scope class is compatible with a query engine initialized on a scope of the same class or a subclass.

Parameters:

queryScopeClass - the scope class returned by invoking IQuerySpecification.getPreferredScopeClass() on a query specification

Returns:

true if an IncQueryEngine initialized on this scope can consume an IQuerySpecification